122420524 has 24 divisors (see below), whose sum is σ = 222082560. Its totient is φ = 59007696.

The previous prime is 122420521. The next prime is 122420549. The reversal of 122420524 is 425024221.

It is a junction number, because it is equal to n+sod(n) for n = 122420495 and 122420504.

It is not an unprimeable number, because it can be changed into a prime (122420521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7737 + ... + 17455.

It is an arithmetic number, because the mean of its divisors is an integer number (9253440).

Almost surely, 2^122420524 is an apocalyptic number.

It is an amenable number.

122420524 is a deficient number, since it is larger than the sum of its proper divisors (99662036).

122420524 is a wasteful number, since it uses less digits than its factorization.

122420524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9837 (or 9835 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 122420524 is about 11064.3808683541. The cubic root of 122420524 is about 496.5367660722.

Adding to 122420524 its reverse (425024221), we get a palindrome (547444745).

The spelling of 122420524 in words is "one hundred twenty-two million, four hundred twenty thousand, five hundred twenty-four".